Bitcoin is not something the average person will ever use to buy and sell stuff, but is useful mainly as digital gold-as an investment, also a useful way of moving money across international borders, and that will likely be its main application over the next several years. It is most valuable as something that enables financial phenomena that have never existed before, what is known as "programmatic finance." Read more at: http://www.economist.com/news/finance-and-economics/21722235-bitcoin-far-only-game-town-surge-value-crypto-currencies

Bitcoin (BTC) is the first decentralized peer-to-peer payment network that is powered by its users with no central authority or middlemen. This digital currency, designed by Satoshi Nakamoto, has seen a huge rise in trading volume since 2013. This rise can be attributed to different types of merchants that use Bitcoin like online marketplaces, payment and funding services worldwide, social services, media sources and travel companies. Besides merchants, Wall Street players and investors are also using BTC wallets.

To know more, read the following article by Jamie Tolentino (Digital Marketer at a Global Asset Management firm), which talks about the advantages and disadvantages of using Bitcoin:

http://thenextweb.com/future-of-communications/2015/04/13/how-safe-are-your-bitcoins/